Petar Palić is a Bosnian-Herzegovinian prelate of the Catholic Church who is currently the bishop of Mostar-Duvno and apostolic administrator of Trebinje-Mrkan since 2020.

The Diocese of Mostar-Duvno is a Latin Church diocese of the Catholic Church in Bosnia and Herzegovina. It encompasses northern Herzegovina. The episcopal seat is in Mostar, Bosnia and Herzegovina. It was formed on 5 July 1881, when the Apostolic Vicariate of Herzegovina was elevated to the diocese. It is the largest Catholic diocese in Bosnia and Herzegovina by the number of Catholics.